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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD789304, 789306, 789314, 789316
8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD789304, 789306, 789314, and 789316 belong to the µPD789306, 789316 Subseries (for LCD drivers) in
the 78K/0S Series.
Flash memory versions (µPD78F9306, 78F9316) that can be operated using the same power supply voltage as
mask ROM versions are available, along with various development tools.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD789306, 789316 Subseries User’s Manual: U14800E
78K/0S Series User’s Manual Instructions:
U11047E
FEATURES
ROM and RAM capacities
Part Number
µPD789304, 789314
µPD789306, 789316
Item
Program Memory (ROM)
8 KB
16 KB
Data Memory
Internal High-Speed RAM
LCD Display RAM
512 bytes
24 bytes
Main system clock
Ceramic/crystal oscillation: µPD789304, 789306
RC oscillation:
µPD789314, 789316
I/O ports: 23
Serial interface: 2 channels
Switchable between 3-wire serial I/O mode and UART mode: 1 channel
3-wire serial I/O mode:
1 channel
LCD controller/driver
Segment signals: 24, common signals: 4
Timer: 5 channels
Power supply voltage: VDD = 1.8 to 5.5 V
APPLICATIONS
Remote control devices, healthcare equipment, etc.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. U14384EJ1V0DS00 (1st edition)
Date Published March 2001 N CP(K)
Printed in Japan
The mark shows major revised points.
©
11999996, 1999

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µPD789304, 789306, 789314, 789316
ORDERING INFORMATION
Part Number
µPD789304GC-×××-AB8
µPD789304GK-×××-9ET
µPD789306GC-×××-AB8
µPD789306GK-×××-9ET
µPD789314GC-×××-AB8
µPD789314GK-×××-9ET
µPD789316GC-×××-AB8
µPD789316GK-×××-9ET
Package
64-pin plastic QFP (14 × 14)
64-pin plastic TQFP (12 × 12)
64-pin plastic QFP (14 × 14)
64-pin plastic TQFP (12 × 12)
64-pin plastic QFP (14 × 14)
64-pin plastic TQFP (12 × 12)
64-pin plastic QFP (14 × 14)
64-pin plastic TQFP (12 × 12)
Remark ××× indicates ROM code suffix.
2 Data Sheet U14384EJ1V0DS

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µPD789304, 789306, 789314, 789316
78K/0S SERIES LINEUP
The products in the 78K/0S Series are listed below. The names enclosed in boxes are subseries names.
44-pin
42-/44-pin
30-pin
28-pin
Products in mass production
Products under development
Y subseries products support SMB.
Small-scale package, general-purpose applications
µPD789046
µPD789026
µPD789074
µ PD789014
µ PD789074 with added subsystem clock
µ PD789014 with enhanced timer and increased ROM, RAM capacity
µPD789026 with enhanced timer
On-chip UART and capable of low voltage (1.8 V) operation
44-pin
44-pin
30-pin
30-pin
30-pin
30-pin
30-pin
30-pin
44-pin
Small-scale package, general-purpose applications and A/D converter
µ PD789177
µ PD789167
µ PD789156
µ PD789146
µPD789134A
µPD789124A
µ PD789114A
µ PD789104A
µ PD789177Y
µ PD789167Y
µ PD789167 with enhanced A/D converter
µPD789104A with enhanced timer
µPD789146 with enhanced A/D converter
µPD789104A with added EEPROMTM
µPD789124A with enhanced A/D converter
RC oscillation version of the µPD789104A
µPD789104A with enhanced A/D converter
µPD789026 with added A/D converter and multiplier
Inverter control
µPD789842
On-chip inverter controller and UART
78K/0S
Series
52-pin
80-pin
80-pin
80-pin
64-pin
64-pin
64-pin
64-pin
64-pin
64-pin
144-pin
88-pin
80-pin
52-pin
52-pin
64-pin
44-pin
44-pin
20-pin
20-pin
VFD drive
µ PD789871
LCD drive
µ PD789488
µ PD789417A
µPD789407A
µPD789456
µ PD789446
µPD789436
µPD789426
µPD789316
µPD789306
Dot LCD drive
µ PD789835
µ PD789830
ASSP
µPD789477
µPD789467
µPD789327
µ PD789803
µPD789800
µPD789840
µPD789861
µ PD789860
Total display outputs: 25
A/D converter and on-chip voltage booster type LCD (28 × 4)
µPD789407A with enhanced A/D converter
A/D converter and resistance division type LCD (28 × 4)
µ PD789446 with enhanced A/D converter
A/D converter and on-chip voltage booster type LCD (15 × 4)
µPD789426 with enhanced A/D
A/D converter and on-chip voltage booster type LCD (5 × 4)
RC oscillation version of the µPD789306
On-chip voltage booster type LCD (24 × 4)
Segment/common outputs: 96
Segments: 40, commons: 16
µ PD789488 with added remote control receiver and resistance division type LCD
For remote controller, with A/D converter and on-chip voltage booster type LCD
For remote controller, with SIO and resistance division type LCD
For PC keyboard, on-chip USB HUB function
For PC keyboard, on-chip USB function
For keypad, on-chip POC
RC oscillation version of the µPD789860
For keyless entry, on-chip POC and key return circuit
Data Sheet U14384EJ1V0DS
3